Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"den lich he snippets" » "dien lich he snippets", "gen lich he snippets", "kien lich he snippets", "den tich he snippets", "den dich che snippets", "den lich han snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("den lich he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("den lich he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( den lich he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("den lich he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.